Calculated Industries 4090 - Manual (Page 82)

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SER
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UIDE
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(Cont’d)
KEYSTROKE DISPLAY
10. Find Arched wall stud lengths:
C AW1 4
FEET
10-11/16
INCH
C AW2 4
FEET
6-5/8
INCH
C AW3 3
FEET
11-3/8
INCH
C AW4 3
FEET
0-1/16
INCH
C AW5 1
FEET
6-1/4
INCH
Note: Successive presses of C will toggle to the beginning.
Arched Windows
Find the Radius of an Arched window with a Chord Length of 2 Feet
7 Inches and a Rise of 10-1/2 Inches. Then, find the Arc Angle, Arc
Length and Segment Area of the window.
KEYSTROKE DISPLAY
1. Enter Chord Length:
o o 0.
2 f 7 i R (Run) X 2
FEET
7
INCH
2. Enter Rise:
1 0 i 1 / 2 r (Rise) Y 10-1/2
INCH
3. Find Radius:
Ç p RAD 16-11/16
INCH
4. Find Arc Angle:
Ç C ARC 136.4579°
5. Find Arc Length:
C ARC 39-3/4
INCH
6. Find Segment Area:
C C SEG 235.7767
SQ INCH